1) In the laboratory, a general chemistry student measured the pH of a 0.554    M aqueous solution of nitrous acid to be 1.787. Use this information she obtained to determine the Ka for this acid? Ka .......................... ? 2) How many grams of solid potassium hydroxide ( molar mass= 56.1 g/mol) are needed to react with 26.7 mL of a 1.75 M hydroiodic acid solution? KOH + HI......> kI + H2o ................ grams

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